[INFO] cloning repository https://github.com/Eragra3/rusty-checkers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eragra3/rusty-checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEragra3%2Frusty-checkers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEragra3%2Frusty-checkers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 764bba6fe5963f8c7fdc303c659a7cec1143cf46 [INFO] building Eragra3/rusty-checkers against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEragra3%2Frusty-checkers" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Eragra3/rusty-checkers on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Eragra3/rusty-checkers [INFO] finished tweaking git repo https://github.com/Eragra3/rusty-checkers [INFO] tweaked toml for git repo https://github.com/Eragra3/rusty-checkers written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Eragra3/rusty-checkers already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pad v0.1.6 [INFO] [stderr] Downloaded colored v1.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dbd5a0f3adb1ad03be5b7f2292f32251f1f579f2a3baf63e9ccacbd6723b3036 [INFO] running `Command { std: "docker" "start" "-a" "dbd5a0f3adb1ad03be5b7f2292f32251f1f579f2a3baf63e9ccacbd6723b3036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbd5a0f3adb1ad03be5b7f2292f32251f1f579f2a3baf63e9ccacbd6723b3036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbd5a0f3adb1ad03be5b7f2292f32251f1f579f2a3baf63e9ccacbd6723b3036", kill_on_drop: false }` [INFO] [stdout] dbd5a0f3adb1ad03be5b7f2292f32251f1f579f2a3baf63e9ccacbd6723b3036 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf6eea5744f1c290a5315947094f91b0cd8e7aa1b8e85e5415594cf3bf41a5ef [INFO] running `Command { std: "docker" "start" "-a" "bf6eea5744f1c290a5315947094f91b0cd8e7aa1b8e85e5415594cf3bf41a5ef", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling pad v0.1.6 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling colored v1.9.0 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling checkers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variants `BlackKing` and `WhiteKing` are never constructed [INFO] [stdout] --> src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 46 | enum Tile { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 50 | BlackKing, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 51 | WhiteKing, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_tile_owner_at` is never used [INFO] [stdout] --> src/main.rs:171:12 [INFO] [stdout] | [INFO] [stdout] 119 | impl Board { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 171 | pub fn get_tile_owner_at(&self, index: Index) -> Result, &str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `MultiCapture`, `KingMove`, `KingCapture`, and `KingMultiCapture` are never constructed [INFO] [stdout] --> src/main.rs:843:5 [INFO] [stdout] | [INFO] [stdout] 837 | enum MoveType { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 843 | MultiCapture(Vec), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 844 | KingMove(Index), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 845 | KingCapture { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 849 | KingMultiCapture(Vec), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MoveType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:338:40 [INFO] [stdout] | [INFO] [stdout] 338 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 338 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:688:35 [INFO] [stdout] | [INFO] [stdout] 688 | Tile::Empty => panic!(INTERNAL_ERROR_MESSAGE), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 688 | Tile::Empty => panic!("{}", INTERNAL_ERROR_MESSAGE), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.57s [INFO] running `Command { std: "docker" "inspect" "bf6eea5744f1c290a5315947094f91b0cd8e7aa1b8e85e5415594cf3bf41a5ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf6eea5744f1c290a5315947094f91b0cd8e7aa1b8e85e5415594cf3bf41a5ef", kill_on_drop: false }` [INFO] [stdout] bf6eea5744f1c290a5315947094f91b0cd8e7aa1b8e85e5415594cf3bf41a5ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 46ba85afeddf935f4d7516371c08b509a9f63467a5057ea45a1114fbd81677ff [INFO] running `Command { std: "docker" "start" "-a" "46ba85afeddf935f4d7516371c08b509a9f63467a5057ea45a1114fbd81677ff", kill_on_drop: false }` [INFO] [stderr] Compiling checkers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variants `BlackKing` and `WhiteKing` are never constructed [INFO] [stdout] --> src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 46 | enum Tile { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 50 | BlackKing, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 51 | WhiteKing, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_tile_owner_at` is never used [INFO] [stdout] --> src/main.rs:171:12 [INFO] [stdout] | [INFO] [stdout] 119 | impl Board { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 171 | pub fn get_tile_owner_at(&self, index: Index) -> Result, &str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `MultiCapture`, `KingMove`, `KingCapture`, and `KingMultiCapture` are never constructed [INFO] [stdout] --> src/main.rs:843:5 [INFO] [stdout] | [INFO] [stdout] 837 | enum MoveType { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 843 | MultiCapture(Vec), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 844 | KingMove(Index), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 845 | KingCapture { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 849 | KingMultiCapture(Vec), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MoveType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:338:40 [INFO] [stdout] | [INFO] [stdout] 338 | Err(msg) => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 338 | Err(msg) => panic!("{}", msg), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:688:35 [INFO] [stdout] | [INFO] [stdout] 688 | Tile::Empty => panic!(INTERNAL_ERROR_MESSAGE), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 688 | Tile::Empty => panic!("{}", INTERNAL_ERROR_MESSAGE), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "46ba85afeddf935f4d7516371c08b509a9f63467a5057ea45a1114fbd81677ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46ba85afeddf935f4d7516371c08b509a9f63467a5057ea45a1114fbd81677ff", kill_on_drop: false }` [INFO] [stdout] 46ba85afeddf935f4d7516371c08b509a9f63467a5057ea45a1114fbd81677ff